forked from OSchip/llvm-project
118 lines
4.3 KiB
LLVM
118 lines
4.3 KiB
LLVM
; RUN: llc < %s -march=xcore | FileCheck %s
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@size = global i32 0 ; <i32*> [#uses=1]
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@g0 = external global i32 ; <i32*> [#uses=2]
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@g1 = external global i32 ; <i32*> [#uses=2]
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@g2 = external global i32 ; <i32*> [#uses=2]
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@g3 = external global i32 ; <i32*> [#uses=2]
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@g4 = external global i32 ; <i32*> [#uses=2]
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@g5 = external global i32 ; <i32*> [#uses=2]
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@g6 = external global i32 ; <i32*> [#uses=2]
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@g7 = external global i32 ; <i32*> [#uses=2]
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@g8 = external global i32 ; <i32*> [#uses=2]
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@g9 = external global i32 ; <i32*> [#uses=2]
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@g10 = external global i32 ; <i32*> [#uses=2]
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@g11 = external global i32 ; <i32*> [#uses=2]
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define void @f() nounwind {
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entry:
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%x = alloca [100 x i32], align 4 ; <[100 x i32]*> [#uses=2]
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%0 = load i32* @size, align 4 ; <i32> [#uses=1]
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%1 = alloca i32, i32 %0, align 4 ; <i32*> [#uses=1]
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%2 = load volatile i32* @g0, align 4 ; <i32> [#uses=1]
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%3 = load volatile i32* @g1, align 4 ; <i32> [#uses=1]
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%4 = load volatile i32* @g2, align 4 ; <i32> [#uses=1]
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%5 = load volatile i32* @g3, align 4 ; <i32> [#uses=1]
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%6 = load volatile i32* @g4, align 4 ; <i32> [#uses=1]
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%7 = load volatile i32* @g5, align 4 ; <i32> [#uses=1]
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%8 = load volatile i32* @g6, align 4 ; <i32> [#uses=1]
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%9 = load volatile i32* @g7, align 4 ; <i32> [#uses=1]
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%10 = load volatile i32* @g8, align 4 ; <i32> [#uses=1]
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%11 = load volatile i32* @g9, align 4 ; <i32> [#uses=1]
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%12 = load volatile i32* @g10, align 4 ; <i32> [#uses=1]
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%13 = load volatile i32* @g11, align 4 ; <i32> [#uses=2]
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%14 = getelementptr [100 x i32]* %x, i32 0, i32 50 ; <i32*> [#uses=1]
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store i32 %13, i32* %14, align 4
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store volatile i32 %13, i32* @g11, align 4
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store volatile i32 %12, i32* @g10, align 4
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store volatile i32 %11, i32* @g9, align 4
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store volatile i32 %10, i32* @g8, align 4
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store volatile i32 %9, i32* @g7, align 4
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store volatile i32 %8, i32* @g6, align 4
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store volatile i32 %7, i32* @g5, align 4
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store volatile i32 %6, i32* @g4, align 4
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store volatile i32 %5, i32* @g3, align 4
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store volatile i32 %4, i32* @g2, align 4
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store volatile i32 %3, i32* @g1, align 4
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store volatile i32 %2, i32* @g0, align 4
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%x1 = getelementptr [100 x i32]* %x, i32 0, i32 0 ; <i32*> [#uses=1]
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call void @g(i32* %x1, i32* %1) nounwind
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ret void
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}
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declare void @g(i32*, i32*)
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; CHECK: .section .cp.rodata.cst4,"aMc",@progbits,4
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; CHECK: .align 4
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; CHECK: [[ARG5:.LCPI[0-9_]+]]:
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; CHECK: .long 100003
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; CHECK: [[INDEX0:.LCPI[0-9_]+]]:
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; CHECK: .long 80002
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; CHECK: [[INDEX1:.LCPI[0-9_]+]]:
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; CHECK: .long 81002
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; CHECK: [[INDEX2:.LCPI[0-9_]+]]:
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; CHECK: .long 82002
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; CHECK: [[INDEX3:.LCPI[0-9_]+]]:
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; CHECK: .long 83002
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; CHECK: [[INDEX4:.LCPI[0-9_]+]]:
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; CHECK: .long 84002
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; CHECK: .text
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; !FP + large frame: spill SR+SR = entsp 2 + 100000
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; CHECK-LABEL: ScavengeSlots:
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; CHECK: entsp 65535
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; CHECK: extsp 34467
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; scavenge r11
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; CHECK: ldaw r11, sp[0]
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; scavenge r4 using SR spill slot
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; CHECK: stw r4, sp[1]
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; CHECK: ldw r4, cp{{\[}}[[ARG5]]{{\]}}
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; r11 used to load 5th argument
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; CHECK: ldw r11, r11[r4]
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; CHECK: ldaw r4, sp[0]
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; scavenge r5 using SR spill slot
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; CHECK: stw r5, sp[0]
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; CHECK: ldw r5, cp{{\[}}[[INDEX0]]{{\]}}
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; r4 & r5 used by InsertSPConstInst() to emit STW_l3r instruction.
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; CHECK: stw r0, r4[r5]
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; CHECK: ldaw r0, sp[0]
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; CHECK: ldw r5, cp{{\[}}[[INDEX1]]{{\]}}
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; CHECK: stw r1, r0[r5]
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; CHECK: ldaw r0, sp[0]
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; CHECK: ldw r1, cp{{\[}}[[INDEX2]]{{\]}}
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; CHECK: stw r2, r0[r1]
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; CHECK: ldaw r0, sp[0]
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; CHECK: ldw r1, cp{{\[}}[[INDEX3]]{{\]}}
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; CHECK: stw r3, r0[r1]
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; CHECK: ldaw r0, sp[0]
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; CHECK: ldw r1, cp{{\[}}[[INDEX4]]{{\]}}
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; CHECK: stw r11, r0[r1]
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; CHECK: ldaw sp, sp[65535]
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; CHECK: ldw r4, sp[1]
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; CHECK: ldw r5, sp[0]
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; CHECK: retsp 34467
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define void @ScavengeSlots(i32 %r0, i32 %r1, i32 %r2, i32 %r3, i32 %r4) nounwind {
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entry:
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%Data = alloca [100000 x i32]
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%i0 = getelementptr inbounds [100000 x i32]* %Data, i32 0, i32 80000
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store volatile i32 %r0, i32* %i0
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%i1 = getelementptr inbounds [100000 x i32]* %Data, i32 0, i32 81000
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store volatile i32 %r1, i32* %i1
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%i2 = getelementptr inbounds [100000 x i32]* %Data, i32 0, i32 82000
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store volatile i32 %r2, i32* %i2
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%i3 = getelementptr inbounds [100000 x i32]* %Data, i32 0, i32 83000
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store volatile i32 %r3, i32* %i3
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%i4 = getelementptr inbounds [100000 x i32]* %Data, i32 0, i32 84000
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store volatile i32 %r4, i32* %i4
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ret void
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}
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